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133320043 = 1371397001
BaseRepresentation
bin1111111001001…
…00110101101011
3100021212100201101
413330210311223
5233112220133
621121302231
73206126113
oct774446553
9307770641
10133320043
116928a35a
1238794977
132180b9cc
14139c6043
15ba8737d
hex7f24d6b

133320043 has 8 divisors (see below), whose sum is σ = 135278640. Its totient is φ = 131376000.

The previous prime is 133319993. The next prime is 133320049. The reversal of 133320043 is 340023331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133320043 - 221 = 131222891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133320043.

It is not an unprimeable number, because it can be changed into a prime (133320049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15543 + ... + 22543.

It is an arithmetic number, because the mean of its divisors is an integer number (16909830).

Almost surely, 2133320043 is an apocalyptic number.

133320043 is a deficient number, since it is larger than the sum of its proper divisors (1958597).

133320043 is a wasteful number, since it uses less digits than its factorization.

133320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133320043 is about 11546.4298811364. The cubic root of 133320043 is about 510.8559801854.

Adding to 133320043 its reverse (340023331), we get a palindrome (473343374).

The spelling of 133320043 in words is "one hundred thirty-three million, three hundred twenty thousand, forty-three".

Divisors: 1 137 139 7001 19043 959137 973139 133320043